From nobody Sat Nov 23 21:44:19 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1731307347; cv=none; d=zohomail.com; s=zohoarc; b=FbmkztAoGhYkqGoilC/FJQBifFMD4fu0bxG/lAdjz54FMK2L08TbIp4poEA21U7rOctRTNgUUYcXNb7Ia7MQT2NYlVnEssJtVPIu1XTra6Ruc+dphsy1/MJJo3VhkvgndSXE1k0UfzQ/H5veaaMGuv4Jpg+dK1o0GfJZTYTaoF0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1731307347; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=OF0blgGURLI6/qj69njTogJlHYc2TMJS/oPKbo52yMk=; b=LltCOEUBWUKjFQ8Rl85g8GJNedJp21W45UOD2r29cY5h5/rfieo9jIpSdwphDuu8lV9bIPb8ZILczY75QhbbaHzerLYo6joGAiYFhSMb4XlkeVmdoEibTV+Orfry13mo+/AQ6gwd4zgny3tE0LWW6ZuYbtzKQ46uW3olMPmYYsE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 173130734787596.97407486093175; Sun, 10 Nov 2024 22:42:27 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tAO6r-0006nU-JC; Mon, 11 Nov 2024 01:41:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tAO6g-0006l8-6m for qemu-devel@nongnu.org; Mon, 11 Nov 2024 01:41:03 -0500 Received: from mail-pl1-x62c.google.com ([2607:f8b0:4864:20::62c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tAO6e-0000fk-QD for qemu-devel@nongnu.org; Mon, 11 Nov 2024 01:41:01 -0500 Received: by mail-pl1-x62c.google.com with SMTP id d9443c01a7336-20c7ee8fe6bso39391455ad.2 for ; Sun, 10 Nov 2024 22:41:00 -0800 (PST) Received: from localhost ([157.82.207.107]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-21177dc9e30sm69107265ad.43.2024.11.10.22.40.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 10 Nov 2024 22:40:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20230601.gappssmtp.com; s=20230601; t=1731307259; x=1731912059; darn=nongnu.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=OF0blgGURLI6/qj69njTogJlHYc2TMJS/oPKbo52yMk=; b=XepsltmPcHkjJ/IhVigx3qo49MpNfWHsoTCIjqK0fkk7kYo+StqfwySqNh5A9s9pLl Oa0uTrTu2aFuU2XBxrJMSPzN++07XeeZ60DOkE7mGKnJz/ftob1jcCRFYKrudMMcg3Vt FaBZpHlD8G0G0A6KssdIiqCGl3VIpWjMM/Qsz1SL+J4TzS+lCbwPhb8jQE5O9BEB5pU4 m76pSYjJYB7Pmj7YiHD1UuB3wG3SFEwty+6+e7QEycyNNzxE5tgCh+r/+rJjfSh+J8B/ h/8OwhWa0VY7WtDeefXab9cX+CYO99MPepJcs6IRhL0/e20yr5Dvgx50hKRkqDJgDPRR T8IQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731307259; x=1731912059; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=OF0blgGURLI6/qj69njTogJlHYc2TMJS/oPKbo52yMk=; b=YGz5UANsEbj1oFcEoL0uki2DtD93PvvpJ2Th790klvOHRqppeJSEtEKP5DtQzA4mEw HLJwlU31qrdUmFctvhJioXn4nb1VL93ToptkfY1KNp6jqgTbHZ987K6NuYfQuN0hgwaZ wVOJVf0wuV7iwB0mGgJWNrtDD8ZGEJF/27ltwxPPt3gkm14JEdaSrEK7BJdYg7UszeoD LCpRFRyuXCdymbC85hQRO3Rjc/EkXlYpbtivGdA9paOitjSlEJmMNNEOwlnuYDMgjFxW lQ87aP68hYiMQSyygbGG/ss9AfDC9LLZVkmTg4uveAnP+IV8nnER8DyjswiW6acpUeiQ RG5Q== X-Gm-Message-State: AOJu0YyN2tQLXH/KuTafvBuiabCxKpcrG4BRZ0sip2dk7mylcPIYq1Gs F5xy9ht1MdpUjHhWTqn24To0XfO36yNO9k1doP8VVzCG2En9L1diESk6DfHQoq4= X-Google-Smtp-Source: AGHT+IEwVLBpluVmTb51SVyrnEBNtvRdwK3/SBQEgV563QSLvoGy6Y71DGi2BoL/MT9yc2Ybu9yXjA== X-Received: by 2002:a17:903:2304:b0:20c:8df8:5066 with SMTP id d9443c01a7336-21183e0c466mr160734935ad.45.1731307259429; Sun, 10 Nov 2024 22:40:59 -0800 (PST) From: Akihiko Odaki Date: Mon, 11 Nov 2024 15:40:22 +0900 Subject: [PATCH v2 5/6] virtio-net: Initialize hash reporting values MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241111-queue-v2-5-2f7883a1004f@daynix.com> References: <20241111-queue-v2-0-2f7883a1004f@daynix.com> In-Reply-To: <20241111-queue-v2-0-2f7883a1004f@daynix.com> To: Jason Wang , "Michael S. Tsirkin" Cc: qemu-devel@nongnu.org, devel@daynix.com, Akihiko Odaki X-Mailer: b4 0.14-dev-fd6e3 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=akihiko.odaki@daynix.com; helo=mail-pl1-x62c.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @daynix-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1731307348554116600 The specification says hash_report should be set to VIRTIO_NET_HASH_REPORT_NONE if VIRTIO_NET_F_HASH_REPORT is negotiated but not configured with VIRTIO_NET_CTRL_MQ_RSS_CONFIG. However, virtio_net_receive_rcu() instead wrote out the content of the extra_hdr variable, which is not uninitialized in such a case. Fix this by zeroing the extra_hdr. Fixes: e22f0603fb2f ("virtio-net: reference implementation of hash report") Signed-off-by: Akihiko Odaki --- hw/net/virtio-net.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index ea5faaf16422..e75a8bb1f27a 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -1906,6 +1906,8 @@ static ssize_t virtio_net_receive_rcu(NetClientState = *nc, const uint8_t *buf, size_t offset, i, guest_offset, j; ssize_t err; =20 + memset(&extra_hdr, 0, sizeof(extra_hdr)); + if (n->rss_data.enabled && n->rss_data.enabled_software_rss) { int index =3D virtio_net_process_rss(nc, buf, size, &extra_hdr); if (index >=3D 0) { --=20 2.47.0